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ABSTRACTION: Simplifying the complexities of the real world by ignoring (hopefully) unimportant details while doing economic analysis. Abstraction is often criticized because it's, well, it's JUST NOT REALISTIC. However, when done correctly (ignoring things that JUST DON'T MATTER), then the pursuit of knowledge is greatly enhanced by abstraction. For example, when travelling cross country along a high-speed interstate highway, a paper road map is a handy tool. It shows towns and cities along the way, the major intersections, rest stop locations, and other important points of interest. However, it ignores unimportant details. It doesn't realistically show the location of every tree, bush, or blade of grass. Why bother? This information won't enhance your road trip.
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MARGINAL REVENUE, MONOPOLISTIC COMPETITION The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a monopolistically competitive firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a monopolistically competitive firm equates marginal revenue and marginal cost.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway looking to buy either a replacement washer for your kitchen faucet or a stretchable, flexible watch band. Be on the lookout for poorly written technical manuals.
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This isn't me! What am I?
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A half gallon milk jug holds about $50 in pennies.
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"How wonderful it is that nobody need wait a single moment before starting to improve the world." -- Anne Frank
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OAPEC
Organization of Arab Petroleum Exporting Countries
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